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Unified Diff: base/leak_tracker_unittest.cc

Issue 3945002: Move debug-related stuff from base to the base/debug directory and use the... (Closed) Base URL: svn://chrome-svn/chrome/trunk/src/
Patch Set: Created 10 years, 2 months ago
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Index: base/leak_tracker_unittest.cc
===================================================================
--- base/leak_tracker_unittest.cc (revision 63176)
+++ base/leak_tracker_unittest.cc (working copy)
@@ -1,107 +0,0 @@
-// Copyright (c) 2009 The Chromium Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-#include "base/leak_tracker.h"
-#include "base/scoped_ptr.h"
-#include "testing/gtest/include/gtest/gtest.h"
-
-namespace {
-
-class ClassA {
- private:
- base::LeakTracker<ClassA> leak_tracker_;
-};
-
-class ClassB {
- private:
- base::LeakTracker<ClassB> leak_tracker_;
-};
-
-#ifndef ENABLE_LEAK_TRACKER
-
-// If leak tracking is disabled, we should do nothing.
-TEST(LeakTrackerTest, NotEnabled) {
- EXPECT_EQ(-1, base::LeakTracker<ClassA>::NumLiveInstances());
- EXPECT_EQ(-1, base::LeakTracker<ClassB>::NumLiveInstances());
-
- // Use scoped_ptr so compiler doesn't complain about unused variables.
- scoped_ptr<ClassA> a1(new ClassA);
- scoped_ptr<ClassB> b1(new ClassB);
- scoped_ptr<ClassB> b2(new ClassB);
-
- EXPECT_EQ(-1, base::LeakTracker<ClassA>::NumLiveInstances());
- EXPECT_EQ(-1, base::LeakTracker<ClassB>::NumLiveInstances());
-}
-
-#else
-
-TEST(LeakTrackerTest, Basic) {
- {
- ClassA a1;
-
- EXPECT_EQ(1, base::LeakTracker<ClassA>::NumLiveInstances());
- EXPECT_EQ(0, base::LeakTracker<ClassB>::NumLiveInstances());
-
- ClassB b1;
- ClassB b2;
-
- EXPECT_EQ(1, base::LeakTracker<ClassA>::NumLiveInstances());
- EXPECT_EQ(2, base::LeakTracker<ClassB>::NumLiveInstances());
-
- scoped_ptr<ClassA> a2(new ClassA);
-
- EXPECT_EQ(2, base::LeakTracker<ClassA>::NumLiveInstances());
- EXPECT_EQ(2, base::LeakTracker<ClassB>::NumLiveInstances());
-
- a2.reset();
-
- EXPECT_EQ(1, base::LeakTracker<ClassA>::NumLiveInstances());
- EXPECT_EQ(2, base::LeakTracker<ClassB>::NumLiveInstances());
- }
-
- EXPECT_EQ(0, base::LeakTracker<ClassA>::NumLiveInstances());
- EXPECT_EQ(0, base::LeakTracker<ClassB>::NumLiveInstances());
-}
-
-// Try some orderings of create/remove to hit different cases in the linked-list
-// assembly.
-TEST(LeakTrackerTest, LinkedList) {
- EXPECT_EQ(0, base::LeakTracker<ClassB>::NumLiveInstances());
-
- scoped_ptr<ClassA> a1(new ClassA);
- scoped_ptr<ClassA> a2(new ClassA);
- scoped_ptr<ClassA> a3(new ClassA);
- scoped_ptr<ClassA> a4(new ClassA);
-
- EXPECT_EQ(4, base::LeakTracker<ClassA>::NumLiveInstances());
-
- // Remove the head of the list (a1).
- a1.reset();
- EXPECT_EQ(3, base::LeakTracker<ClassA>::NumLiveInstances());
-
- // Remove the tail of the list (a4).
- a4.reset();
- EXPECT_EQ(2, base::LeakTracker<ClassA>::NumLiveInstances());
-
- // Append to the new tail of the list (a3).
- scoped_ptr<ClassA> a5(new ClassA);
- EXPECT_EQ(3, base::LeakTracker<ClassA>::NumLiveInstances());
-
- a2.reset();
- a3.reset();
-
- EXPECT_EQ(1, base::LeakTracker<ClassA>::NumLiveInstances());
-
- a5.reset();
- EXPECT_EQ(0, base::LeakTracker<ClassA>::NumLiveInstances());
-}
-
-TEST(LeakTrackerTest, NoOpCheckForLeaks) {
- // There are no live instances of ClassA, so this should do nothing.
- base::LeakTracker<ClassA>::CheckForLeaks();
-}
-
-#endif // ENABLE_LEAK_TRACKER
-
-} // namespace
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